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[email protected]CVE-2021-42321

HistoryNov 10, 2021 - 1:19 a.m.

CVE-2021-42321

2021-11-1001:19:50

[email protected]

web.nvd.nist.gov

1476

In Wild

cve-2021-42321

nvd

microsoft exchange server

remote code execution

vulnerability

security

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.965

Percentile

99.6%

JSON

Microsoft Exchange Server Remote Code Execution Vulnerability

Affected configurations

Vulners

NVD

Node

microsoftexchange_serverMatch2016cumulative_update_21

Node

microsoftexchange_serverMatch2019cumulative_update_10

Node

microsoftexchange_serverMatch2016cumulative_update_22

Node

microsoftexchange_serverMatch2019cumulative_update_11

VendorProductVersionCPE
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 21:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 10:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 22:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 11:*:*:*:*:*:*

Vendor	Product	Version	CPE
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 21::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 10::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 22::::::*
microsoft	exchange_server	*	cpe:2.3:a:microsoft:exchange_server::cumulative update 11::::::*

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2016 Cumulative Update 21",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.01.0",
        "lessThan": "15.01.2308.020",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2019 Cumulative Update 10",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0",
        "lessThan": "15.02.0792.019",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2016 Cumulative Update 22",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.0.0",
        "lessThan": "15.01.2375.017",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Exchange Server 2019 Cumulative Update 11",
    "cpes": [
      "cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*"
    ],
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.02.0",
        "lessThan": "15.02.0986.014",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]